Home / 12,802.76-19,206.06-3,569.48

Finding the Fourth Proportional to 12,802.76, 19,206.06 and 3,569.48

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Solution

The fourth proportional to 12,802.76, 19,206.06 and 3,569.48 is: 5,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802.76 : 19,206.06 = 3,569.48 : x
  2. Step 2: Convert to fraction form
    12,802.76/19,206.06 = 3,569.48/x
  3. Step 3: Cross multiply
    12,802.76x = 19,206.06 × 3,569.48
  4. Step 4: Simplify right side
    12,802.76x = 68,555,647.05
  5. Step 5: Solve for x
    x = 68,555,647.05/12,802.76
  6. Step 6: Final answer
    x = 5,354.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.